int ledPin = D2;
int ledPin2 = D3;
void setup() {
pinMode(ledPin, OUTPUT);
pinMode(ledPin2, OUTPUT);
}
void loop() {
digitalWrite(ledPin, HIGH); // blink the led1 once
delay(500);
digitalWrite(ledPin, LOW);
delay(500);
digitalWrite(ledPin2, HIGH); // blink the led2 once
delay(500);
digitalWrite(ledPin2, LOW);
delay(500);
}
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